Home / 45,220.14-67,829.40-18,560.34

Finding the Fourth Proportional to 45,220.14, 67,829.40 and 18,560.34

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Solution

The fourth proportional to 45,220.14, 67,829.40 and 18,560.34 is: 27,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.14 : 67,829.40 = 18,560.34 : x
  2. Step 2: Convert to fraction form
    45,220.14/67,829.40 = 18,560.34/x
  3. Step 3: Cross multiply
    45,220.14x = 67,829.40 × 18,560.34
  4. Step 4: Simplify right side
    45,220.14x = 1,258,936,726.00
  5. Step 5: Solve for x
    x = 1,258,936,726.00/45,220.14
  6. Step 6: Final answer
    x = 27,840.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.